diff --git a/tests/sgsn/Makefile.am b/tests/sgsn/Makefile.am
index 7ba70eb..9afe0f7 100644
--- a/tests/sgsn/Makefile.am
+++ b/tests/sgsn/Makefile.am
@@ -48,6 +48,7 @@
 	$(top_builddir)/src/sgsn/gprs_sndcp.o \
 	$(top_builddir)/src/sgsn/gprs_gmm_attach.o \
 	$(top_builddir)/src/sgsn/gprs_gmm.o \
+	$(top_builddir)/src/sgsn/gprs_gmm_fsm.o \
 	$(top_builddir)/src/sgsn/gprs_mm_state_gb_fsm.o \
 	$(top_builddir)/src/sgsn/gprs_mm_state_iu_fsm.o \
 	$(top_builddir)/src/sgsn/gprs_sgsn.o \